From: "Anatoly Zaretsky" <anatoly.zaretsky@gmail.com>
To: "Jonathan Roewen" <jonathan.roewen@gmail.com>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] help with caml_stat_alloc
Date: Mon, 24 Jul 2006 14:39:30 +0300 [thread overview]
Message-ID: <a21cb60a0607240439l2b7dad8bj42d6ed8f3aad376@mail.gmail.com> (raw)
In-Reply-To: <73347253780-BeMail@beos>
On 7/24/06, Jonathan Roewen <jonathan.roewen@gmail.com> wrote:
> Hi,
>
> I'm trying to allocate some memory outside of the caml heap, and I
> think caml_stat_alloc is the right function to use. Anyways, it's
> generating seg-faults, so I'm hoping someone can help me fix my
> implementation.
>
> CAMLprim value icfp_alloc(value size) {
> int sz = Int32_val(size) + 1;
> int *p = (int *)caml_stat_alloc(sz);
> p[--sz] = sz;
> /*while ( sz > 0 ) {
> p[--sz] = 0;
> }*/
> return caml_copy_int32(p);
> }
>From byterun/memory.h:
CAMLextern void * caml_stat_alloc (asize_t); /* Size in bytes. */
So p[--sz] is out of allocated region.
--
Tolik
prev parent reply other threads:[~2006-07-24 11:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-24 7:50 Jonathan Roewen
2006-07-24 8:56 ` Richard Jones
2006-07-24 10:13 ` Olivier Andrieu
2006-07-24 11:39 ` Anatoly Zaretsky [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a21cb60a0607240439l2b7dad8bj42d6ed8f3aad376@mail.gmail.com \
--to=anatoly.zaretsky@gmail.com \
--cc=caml-list@inria.fr \
--cc=jonathan.roewen@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).